ES2994484T3 - Metadata for loudness and dynamic range control - Google Patents

Metadata for loudness and dynamic range control Download PDF

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Publication number
ES2994484T3
ES2994484T3 ES19170552T ES19170552T ES2994484T3 ES 2994484 T3 ES2994484 T3 ES 2994484T3 ES 19170552 T ES19170552 T ES 19170552T ES 19170552 T ES19170552 T ES 19170552T ES 2994484 T3 ES2994484 T3 ES 2994484T3
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Spain
Prior art keywords
drc
audio
loudness
metadata
audio signal
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English (en)
Spanish (es)
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Frank Baumgarte
Eric A Allamanche
Stefan K O Strommer
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Apple Inc
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Apple Inc
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
ES19170552T 2013-03-29 2014-03-27 Metadata for loudness and dynamic range control Active ES2994484T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361806570P 2013-03-29 2013-03-29
US14/225,950 US9559651B2 (en) 2013-03-29 2014-03-26 Metadata for loudness and dynamic range control

Publications (1)

Publication Number Publication Date
ES2994484T3 true ES2994484T3 (en) 2025-01-24

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Family Applications (2)

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ES19170552T Active ES2994484T3 (en) 2013-03-29 2014-03-27 Metadata for loudness and dynamic range control
ES14724887T Active ES2738494T3 (es) 2013-03-29 2014-03-27 Metadatos para control de sonoridad y rango dinámico

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES14724887T Active ES2738494T3 (es) 2013-03-29 2014-03-27 Metadatos para control de sonoridad y rango dinámico

Country Status (8)

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US (4) US9559651B2 (de)
EP (2) EP2956936B1 (de)
KR (1) KR101761041B1 (de)
CN (3) CN111370007B (de)
AU (1) AU2014241222B2 (de)
ES (2) ES2994484T3 (de)
TW (1) TWI562138B (de)
WO (1) WO2014160849A2 (de)

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US20140294200A1 (en) 2014-10-02
CN105103222A (zh) 2015-11-25
TWI562138B (en) 2016-12-11
EP3540733C0 (de) 2024-08-21
CN111370007A (zh) 2020-07-03
US11563411B2 (en) 2023-01-24
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AU2014241222A1 (en) 2015-10-08
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CN111370007B (zh) 2023-10-27
ES2738494T3 (es) 2020-01-23
CN117275493A (zh) 2023-12-22
HK1215489A1 (zh) 2016-08-26
US10644666B2 (en) 2020-05-05
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US9559651B2 (en) 2017-01-31
AU2014241222B2 (en) 2016-10-27
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US20170201219A1 (en) 2017-07-13
EP2956936A2 (de) 2015-12-23
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EP2956936B1 (de) 2019-04-24
US20210351754A1 (en) 2021-11-11

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